Sofia [lrt-tram]Country: BulgariaLine: Line 1, Line 3, Line 4, Line 5, Line 6, Line 7, Line 8, Line 10, Line 11, Line 12, Line 18, Line 20, Line 22, Line 23Inhabitants: City 1100000, District 1200000

DESCRIPTIONSofia electric tram opened in 1901 and from that date it has been continuously in service. The tram sections built from 1901 to 1987 were metric gauge; new standard gauge tram sections were added in 1985 and 1997.
The current tram network consists in 14 lines (11 metric gauge lines + 3 standard gauge lines).